For Molly, computer play in a simulated world connected strongly with off-line play. It reinforced her desire to create fictional worlds of her own. And it helped sharpen her understanding of that creative endeavor. In evaluating the imaginative and creafive worth of childhood activities, of course, this is the gold standard: that reading or watching television, that trips to the theater, to art and science ce museuns, an and id yyes, that play with computer games should stimulate personal en...

An RPG is a process of cooperative storytelling: the Gamemaster lays out a situation or scenario for the players, such as “you hear an alarm coming from the First National Bank!” The players then choose how their characters react (“We rush to the bank to see what’s going on!”). Things proceed in a back-and-forth manner, with the GM explaining the unfolding story (how a supervillain is robbing the bank and trying to escape with his ill-gotten gains, etc.) and the players deciding wha...